听力原文：In the case of mobile phones，change is everything．Recent research indicates that

听力原文： In the case of mobile phones，change is everything．Recent research indicates that the mobile phone is changing not only our culture，but our very bodies as well.

First, let's talk about culture．The difference between the mobile phone and its parent，the fixed-line phone is，you get whoever answers it This has several implications．The most common one，however，and perhaps the thing that has changed our culture forever，is the “meeting” influence．People no longer need to made firm plans about when and where to meet．Twenty years ago，a Friday night would need to be arranged in advance．Now，however．a night out can be arranged on the run．Texting changes people as well．In theft paper "Insights into the Social and Psychological Effects of SMS Text Messaging"，two British researchers distinguished between two types of mobile phone users：the “talkers” and the "texters"—those who prefer voice to text message and those who prefer text to voice．They found that the mobile phone's individuality and privacy gave texters the ability to express a whole Flew outer personality．Texters were likely to report that their family would be surprised if they were to read their texts．

Another scientist wrote of the changes that mobiles have brought to body language．There are two kinds that people use while speaking on the phone．There is the "speakeasy"：the head is held high，in a self-confident way，chatting away．And them is the "spacemaker"：these people focus on themselves and keep out other people．

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A．It is affecting our health seriously.

B．It hinders our reading and writing.

C．It is changing our bodies as well as our culture.

D．It surprises people with unexpected messages.